Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Comparison of OTP applications
open-in-new
<p>The following is a general comparison of OTP applications that are used to generate <a href="/facts/One-time_password/4u0a4vgk">one-time passwords</a> for <a href="/facts/Two-factor_authentication/186gpx8R">two-factor authentication</a> (2FA) systems using the <a href="/facts/Time-based_one-time_password/C2SCYbGe">time-based one-time password</a> (TOTP) or the <a href="/facts/HMAC-based_one-time_password/pd25nUTw">HMAC-based one-time password</a> (HOTP) algorithms. </p>